NASA Astrobiology

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A volcanically active planet is shown in closeup at the left side of the image with glowing eruptions and lines of lava on the surface. To the right and in the distance is a faint blue glowing ball representing the more massive planet in the system.

Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were merged to create this image. Jupiter's Great Red Spot is visible in the center. Jupiter's moon Europa can be seen in the foreground at the bottom left of the image.

The frame is a horizontal rainbow of color on a grid. Shadows of molecules can be seen through the light as well as the jagged peaks and troughs of spectral lines.

Fizzy Super Earths and Lava Worlds“Fizzy Super-Earths: Impacts of Magma Composition on the Bulk Density and Structure of Lava Worlds.” in The Astrophysical Journal.01/03

Identifying Hydrothermal Activity on Icy Ocean Worlds“Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds.” In Icarus.02/03

NASA Raman Spectroscopic Database"The NASA Raman spectroscopic database: Ramdb version 1.00.” In Icarus.03/03

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January 2024Depth-to-diameter Ratios of Fresh Craters on the Moon and Implications for Surface Age Estimates

Hoover, R. H., Robbins, S. J., Hynek, B. M., & Hayne, P. O. (2024). Depth-to-diameter Ratios of Fresh Craters on the Moon and Implications for Surface Age Estimates. The Planetary Science Journal, 5(1), 26. doi:10.3847/psj/ad18d4

Quantifying Global Origin-Diagnostic Features and Patterns in Biotic and Abiotic Acyclic Lipids for Life Detection

Buckner, D. K., Anderson, M. J., Wisnosky, S., Alvarado, W., Nuevo, M., Williams, A. J., … Wilhelm, M. B. (2024). Quantifying Global Origin-Diagnostic Features and Patterns in Biotic and Abiotic Acyclic Lipids for Life Detection. Astrobiology, 24(1), 1–35. doi:10.1089/ast.2023.0012

Uncovering supramolecular chirality codes for the design of tunable biomaterials

Klawa, S. J., Lee, M., Riker, K. D., Jian, T., Wang, Q., Gao, Y., … Freeman, R. (2024). Uncovering supramolecular chirality codes for the design of tunable biomaterials. Nature Communications, 15(1), None. doi:10.1038/s41467-024-45019-2

Biosignature Detection and MinION Sequencing of Antarctic Cryptoendoliths After Exposure to Mars Simulation Conditions

Maggiori, C., Fernández-Martínez, M. A., Bourdages, L-J., Sánchez-GarcíA, L., Moreno-Paz, M., Sobrado, J. M., … Whyte, L. G. (2024). Biosignature Detection and MinION Sequencing of Antarctic Cryptoendoliths After Exposure to Mars Simulation Conditions. Astrobiology, 24(1), 44–60. doi:10.1089/ast.2023.0025

In Situ Real-Time Monitoring for Aseptic Drilling: Lessons Learned from the Atacama Rover Astrobiology Drilling Studies Contamination Control Strategy and Implementation and Application to the Icebreaker Mars Life Detection Mission

Bonaccorsi, R., Glass, B., Moreno-Paz, M., García-Villadangos, M., Warren-Rhodes, K., Parro, V., Manchado, J.M., Wilhelm, M.B., & McKay, C.P. (2023). In Situ Real-Time Monitoring for Aseptic Drilling: Lessons Learned from the Atacama Rover Astrobiology Drilling Studies Contamination Control Strategy and Implementation and Application to the Icebreaker Mars Life Detection Mission. Astrobiology 23, 12. doi: 10.1089/ast.2022.0133

December 2023Cyclophospholipids Enable a Protocellular Life Cycle

Toparlak, Ö. D., Sebastianelli, L., Egas Ortuno, V., Karki, M., Xing, Y., Szostak, J. W., … Mansy, S. S. (2023). Cyclophospholipids Enable a Protocellular Life Cycle. ACS Nano, 17(23), 23772–23783. doi:10.1021/acsnano.3c07706

Viral enumeration using cost-effective wet-mount epifluorescence microscopy for aquatic ecosystems and modern microbialites

Bellanger, M., Visscher, P., & White, R. A. (2023). Viral enumeration using cost-effective wet-mount epifluorescence microscopy for aquatic ecosystems and modern microbialites. Applied and Environmental Microbiology, 89(12), None. doi:10.1128/aem.01744-23

A race against the clock: Constraining the timing of cometary bombardment relative to Earth’s growth

Joiret, S., Raymond, S. N., Avice, G., Clement, M. S., Deienno, R., & Nesvorný, D. (2023). A race against the clock: Constraining the timing of cometary bombardment relative to Earth’s growth. Icarus, 406, 115754. doi:10.1016/j.icarus.2023.115754

Radial distribution of distant trans-Neptunian objects points to Sun’s formation in a stellar cluster

Nesvorný, D., Bernardinelli, P., Vokrouhlický, D., & Batygin, K. (2023). Radial distribution of distant trans-Neptunian objects points to Sun’s formation in a stellar cluster. Icarus, 406, 115738. doi:10.1016/j.icarus.2023.115738

Geographic and Ecological Diversity of Green Sulfur Bacteria in Hot Spring Mat Communities

Bedard, D. L., Van Slyke, G., Nübel, U., Bateson, M. M., Brumfield, S., An, Y. J., … Ward, D. M. (2023). Geographic and Ecological Diversity of Green Sulfur Bacteria in Hot Spring Mat Communities. Microorganisms, 11(12), 2921. doi:10.3390/microorganisms11122921

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